Column – I		Column – II
A)	Electrically neutral thick conducting spherical shell, with point charge at its center.	P)	Electric field everywhere inside the cavity due to charges induced on the inner surface of conductor is zero .
B)	Electrically neutral thin conducting spherical shell, with point charge to the right of its center	Q)	Electric field everywhere inside the cavity due to charges induced on the outer surface of conductor is zero
C)	Electrically neutral thick conducting spherical shell, with point charge to the right of its centre. Shell is earth.	R)	Electric potential at the center of the cavity due to charges induced on inner and outer surface of conductor is zero.
		S)	Electric potential everywhere inside the cavity due to charges induced on the inner and outer surface of conductor is zero.